diff --git a/pyproject.toml b/pyproject.toml
index faffb64..c9b93cc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,6 +16,7 @@ dependencies = [
     "fastapi>=0.111.0",
     "uvicorn[standard]>=0.30.0",
     "passlib[bcrypt]>=1.7.4",
+    "email-validator>=2.0.0",
     "cryptography>=42.0.0",
 ]